#include <iostream>
#include <cstdio>
using namespace std;

int n,a,num[100005];

int main() {
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin >> n;
    for (int i=1; i<=n; i++) {
        cin >> a;
        num[a] ++;
    }
    int maxn = -1;
    for (int i=1; i<=100005; i++) {
        maxn = max(maxn, num[i]);
    }
    cout << maxn << endl;
    fclose(stdin);
    fclose(stdout);
    return 0;
}
